# CVE-2017-11503: libphp-phpmailer: PHPMailer 5.2.23 has XSS in the "From Email Address" and "To Email Address" fields of code_generator.php.

CVE-2017-11503 is fixed in libphp-phpmailer on 1 platform by libphp-phpmailer 5.2.14+dfsg-2.3+deb9u2ubuntu0.1~esm2 (version 5.2.14+dfsg-2.3+deb9u2ubuntu0.1~esm2), released July 20, 2017. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-11503
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0240
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 20, 2017

## Description

PHPMailer 5.2.23 has XSS in the "From Email Address" and "To Email Address" fields of code_generator.php.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libphp-phpmailer Ubuntu 18.04.6 LTS (bionic) | 5.2.14+dfsg-2.3+deb9u2ubuntu0.1~esm2 | [libphp-phpmailer 5.2.14+dfsg-2.3+deb9u2ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libphp-phpmailer-5.2.14-dfsg-2.3-deb9u2ubuntu0.1-esm2.md) | Jul 20, 2017 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo